Chemical Engineering - Chemical Engineering Basics

31. 

A pipeline buried in soil is commonly protected from corrosion by

A. anodic protection.
B. cathodic protection.
C. using inhibitors.
D. using a special alloy resistant to corrosion.

Answer: Option B

Explanation:

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32. 

Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump.

A. electromagnetic
B. axial flow
C. diaphragm
D. reciprocating

Answer: Option A

Explanation:

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33. 

Titanium is produced by __________ of Ti Cl4.

A. electrolytic reduction
B. calcium reduction
C. magnesium reduction
D. thermal dissociation

Answer: Option C

Explanation:

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34. 

__________ strain gauge is the most sensitive sensing element for strain measurement.

A. photoelastic
B. semiconductor
C. wire resistance
D. none of these

Answer: Option B

Explanation:

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35. 

A simple closed grinding circuit may consist of

A. a ball mill and a classifier.
B. a rod mill and a hydrocyclone.
C. a jaw crusher and a hydrocyclone.
D. a ball mill and a froth floatation cell.

Answer: Option A

Explanation:

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